Freshwater mussels are considered to be the most rapidly declining group of freshwater organisms in the U.S. There are approximately 300 freshwater mussel species in the U.S., of which 53 are known to occur in Texas.
With over 8 million residents, more people in Texas utilize water, wildlife and recreational resources from the Trinity River basin than from any other river basin in the state.
The Recovery Credit System is an incentive based program that allows private lands to offset natural or man-made wildlife habitat loss that can occur through private or public activities.
Recent News
- IRNR’s Robert Gulley featured for work in Edwards Aquifer
- IRNR-RAMSES team publishes habitat-driven distribution model for GCW in Texas
- Prescribed fire's role in fighting wildfires highlighted in Texas Wildlife's December 2011 issue
- Black-capped vireo statewide distribution & abundance report released
- Pineywoods Prescribed Fire Cooperative training scheduled for 1/26
- New Trinity Waters Basin Bulletin released
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Chief Water Scientist position available! TWRI is seeking a highly qualified water scientist to serve as Chief Water Scientist for advancing research and extension programs responding to high-priority water management needs in Texas and the South-central US. Learn more.
Upcoming Training Courses
- Conservation Science Social Media February 13, 2012
- 2012 Bacterial Source Tracking - State of the Science Conference February 28-29, 2012
Our training program markets and adminsters short courses on diverse natural resource and water related topics. See a full schedule or subscribe to receive updates about new courses.
Featured Program
The Gulf Coast Cooperative Ecosystem Studies Unit provides a platform for partners from universities, federal agencies and nongovernmental organizations to collaborate to conduct research, provide education and share technical assistance. Learn More
Recent Projects
The Prescribed Fire Management Portal provides convenient access to information and resources on general concepts and applications of prescribed fire management.
Texas is home to over 142 million acres of private farms, ranches and forestlands, thus leading the nation in land area devoted to privately-owned working lands.
The Trinity River Information Management System provides an outreach and planning tool for supporting land conservation and habitat restoration decisions.